15.5 APPROPRIATION:

 If any sum paid or recovered in respect of the liabilities of Lessee
 under this Agreement is less than the amount then due, Lessor may
 apply that sum to amounts due under this Agreement in such
 proportions and order and generally in

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 such manner as Lessor, acting reasonably, may determine and, upon
 written request, notify Lessee of such application.

 15.6 SEVERABILITY:

 If a provision of this Agreement is or becomes illegal, invalid or
 unenforceable in any jurisdiction, that will not affect:

 (a) the legality, validity or enforceability in that jurisdiction
 of any other provision of this Agreement; or

 (b) the legality, validity or enforceability in any other
 jurisdiction of that or any other provision of this Agreement.

 15.7 REMEDY:

 If Lessee fails to comply with any provision of this Agreement,
 Lessor may, without being in any way obliged to do so or responsible
 for so doing and without prejudice to the ability of Lessor to treat
 the noncompliance as a Default or an Event of Default, effect
 compliance on behalf of Lessee, whereupon Lessee shall become liable
 to pay immediately any sums expended by Lessor together with all
 costs and expenses (including legal costs) in connection therewith.

 15.8 EXPENSES:

 (a) Each of Lessor and Lessee will pay its own expenses (including
 legal, professional, and out-of-pocket expenses) incurred or
 payable in connection with the negotiation, preparation, and
 execution of this Agreement;